Originally Posted by quiltingshorttimer
I was at a quuilt class where some ladies where talking about it, my instructor grabbed one of my finished, cream colored blocks and put a big black X on it. Before I could react, she pressed it with a hot iron and voila--it was gone! I have heard that the marking may come back with extreme cold??
Sorry living in a cold climate I do not trust them. I would have demanded my money back and walked out. I have tested all ways and I can still see the marks. Washed unwashed or not but it gets cold and if I am taking a quilt in a cold car I do not want marks on it. I will stick to my disappearing marker.